Calcite - El Carrizal Mining Group, Mexico - 8.5 x 6.5 x 4 centimeters
Mineral: Calcite
Locality: El Carrizal Mining Group, La Llave, Zimapán, Municipio Zimapán, Hidalgo, Mexico
Dimensions: 8.5 x 6.5 x 4 centimeters

Description: Black calcite.